Square D JGA36250U43X Molded Case Circuit Breaker
- 250A
- 3 Pole
- I-Line
Square D
JGA36250U43X
Molded Case Circuit Breaker
Brand
Square D
SKU
JGA36250U43X
Quantity
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Square D JGA36250U43X - 250A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial facilities, the Square D JGA36250U43X is a 3-pole, 250A molded case circuit breaker. As part of the PowerPacT J-Frame series, it offers robust performance for 600VAC systems. Designed for seamless integration, this unit mounts into Square D I-Line panelboards and switchboards. The plug-on connection allows for quick installation. It features a Micrologic 5.2 A electronic trip unit with an integrated ammeter, delivering adjustable LSI protection and a 35kAIC rating at 480V.Specifications
| Brand | Square D |
|---|---|
| Series | JGA |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 18kA @ 600VAC |
| Frame Type | J |
|---|---|
| Terminal Type | Lugs |
| For Use With | I-Line Panelboards, I-Line Switchboards |
| Wire Gauge | 3/0 AWG - 350 kcmil (Al/Cu) |
| Max Wire | 350 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.2A |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, NOM, UKCA, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Current Limiting, Visual Trip Indicator, True RMS Sensing, Mercury Free, PVC Free, 80% Rated |
Product FAQs
8 answersWhat equipment is compatible with the JGA36250U43X?
This PowerPacT J-Frame breaker is designed exclusively for Square D I-Line panelboards and switchboards. It mounts directly to the I-Line bus on the line side and uses mechanical lugs on the load side.
What type of trip unit is installed in the JGA36250U43X?
It features a MicroLogic 5.2A electronic trip unit with an integrated ammeter. This provides adjustable LSI (Long-Time, Short-Time, and Instantaneous) protection settings to precisely coordinate with your electrical system.
Is the JGA36250U43X 100% rated or standard 80% rated?
This PowerPacT J-Frame circuit breaker is standard 80% rated for continuous current applications.
Does the JGA36250U43X include a push-to-trip feature?
Yes, it includes an integral push-to-trip button on the front cover, allowing you to manually trip the breaker to verify the mechanical operation of the tripping mechanism.
What wire sizes are accepted by the load side lugs on this breaker?
The standard mechanical lugs accept aluminum or copper (Al/Cu) wire ranging from 3/0 AWG to 350 kcmil.
What is the phase connection for this I-Line breaker?
The JGA36250U43X features an ABC phase connection for standard 3-phase I-Line panelboards.
What internal contact design does the PowerPacT J-Frame use?
It is equipped with dual-break rotating contacts that help reduce the amount of peak current during a short circuit fault, enhancing overall system safety.
What does the G in the JGA36250U43X part number signify?
The G indicates the interrupting capacity rating for this J-Frame breaker, which provides 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
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